52508555 has 24 divisors (see below), whose sum is σ = 69745200. Its totient is φ = 37920960.

The previous prime is 52508549. The next prime is 52508557. The reversal of 52508555 is 55580525.

It is a happy number.

52508555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52508555 - 2¹⁰ = 52507531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52508557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138356 + ... + 138734.

It is an arithmetic number, because the mean of its divisors is an integer number (2906050).

Almost surely, 2^52508555 is an apocalyptic number.

52508555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52508555 is a deficient number, since it is larger than the sum of its proper divisors (17236645).

52508555 is a wasteful number, since it uses less digits than its factorization.

52508555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 52508555 is about 7246.2787001329. The cubic root of 52508555 is about 374.4639570827.

The spelling of 52508555 in words is "fifty-two million, five hundred eight thousand, five hundred fifty-five".